Meaning of hydroastrophyllite | Babel Free
Definitions
A triclinic-pinacoidal dark brown mineral containing aluminum, calcium, fluorine, hydrogen, iron, manganese, niobium, oxygen, potassium, silicon, and titanium.
CEFR level
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.